CN219146045U

CN219146045U - Oil pump controller

Info

Publication number: CN219146045U
Application number: CN202320078824.5U
Authority: CN
Inventors: 冯准; 刘小兵; 陈崇文
Original assignee: Shenzhen Southern Dare Automotive Electronic Co Ltd
Current assignee: Shenzhen Southern Dare Automotive Electronic Co Ltd
Priority date: 2023-01-10
Filing date: 2023-01-10
Publication date: 2023-06-06
Anticipated expiration: 2033-01-10

Abstract

The utility model discloses an oil pump controller, which comprises a motor body, a control board, a heat dissipation shell and a connector, wherein the connector is fixed on the heat dissipation shell; a dispensing sealing layer is arranged around the external terminal of the connector; the connector is a plastic-coated part, so that glue dispensing and sealing are carried out around the terminals of the connector, and leakage between the hardware terminals and the plastic can be avoided.

Description

Oil pump controller

Technical Field

The utility model belongs to the technical field of oil pumps, and relates to an oil pump controller.

Background

The control object of the oil pump controller is the fuel pump of the fuel low-pressure system, which is an important part in the mechanical equipment, and the sealing performance of the fuel pump controller directly influences the working state of the mechanical equipment. The existing oil pump controller is sealed by adopting a sealing ring mode, and the following defects exist: the sealing ring can only ensure the tightness of the surfaces, and can not fill gaps.

Disclosure of Invention

In view of the above, the present utility model provides an oil pump controller, which solves the technical problem that the existing oil pump controller cannot seal the gap.

In order to solve the above-mentioned problems, according to one aspect of the present application, an embodiment of the present utility model provides an oil pump controller including a motor body, a control board, a heat dissipation housing, and a connector fixed to the heat dissipation housing, the control board being located in the heat dissipation housing and connected to an internal terminal of the connector, the motor body being assembled with the heat dissipation housing and terminals of the motor body being connected to the control board; the connector has a spot-gluing sealing layer around the external terminals.

In some embodiments, a first seal ring is provided in the connector and is coupled to the heat dissipating housing after the first seal ring is installed in the connector.

In some embodiments, the oil pump controller further comprises a waterproof and breathable assembly, the heat dissipation shell is provided with a through hole, and the waterproof and breathable assembly is arranged in the through hole.

In some embodiments, the waterproof and breathable assembly comprises an upper cover, an EPTFE membrane, a shell and a second sealing ring, wherein the EPTFE membrane is positioned between the upper cover and the shell, one surface of the shell away from the upper cover is provided with a buckle, and the second sealing ring is sleeved on the buckle.

In some embodiments, the EPTFE membrane is integrally assembled with the housing by injection molding or ultrasonic welding.

In some embodiments, the clasp is a deformable clasp that fits within the through hole.

In some embodiments, the oil pump controller further comprises a three-phase cover plate fixed to the heat dissipation housing by a first screw.

In some embodiments, a third seal ring is provided between the three-phase cover plate and the heat dissipation housing.

In some embodiments, a fourth seal ring is provided in the motor body, and the motor body is assembled with the heat dissipation housing through the fourth seal ring.

In some embodiments, the connector is secured to the heat dissipating housing by a second screw;

and/or the control board is fixed in the heat dissipation shell through a third screw;

and/or the motor body and the heat dissipation shell are assembled through a fourth screw.

Compared with the prior art, the oil pump controller has at least the following beneficial effects:

the oil pump controller comprises an engine body, a control board, a heat dissipation shell and a connector, wherein the connector is fixed on the heat dissipation shell; a dispensing sealing layer is arranged around the external terminal of the connector; the connector is a plastic-coated part, so that glue dispensing and sealing are carried out around the terminals of the connector, and leakage between the hardware terminals and the plastic can be avoided.

The foregoing description is only an overview of the present utility model, and is intended to provide a better understanding of the present utility model, as it is embodied in the following description, with reference to the preferred embodiments of the present utility model and the accompanying drawings.

Drawings

In order to more clearly illustrate the technical solutions of the embodiments of the present utility model, the drawings required for the description of the embodiments will be briefly described below, and it is obvious that the drawings in the following description are some embodiments of the present utility model, and other drawings may be obtained according to these drawings without inventive effort for a person skilled in the art.

Fig. 1 is an exploded view of an oil pump controller provided by an embodiment of the present utility model;

FIG. 2 is an assembly view of a heat dissipating housing and a connector in an oil pump controller according to an embodiment of the present utility model;

FIG. 3 is an assembly diagram of a heat dissipation housing and a control board in an oil pump controller according to an embodiment of the present utility model;

FIG. 4 is an assembly diagram of a connector and a heat dissipation housing when no sealant dispensing layer is provided in the connector in an oil pump controller according to an embodiment of the present utility model;

FIG. 5 is an assembly diagram of a connector and a heat dissipation housing when the connector is provided with a spot-gluing sealing layer in an oil pump controller according to an embodiment of the present utility model;

fig. 6 is an assembly diagram of a motor body and a heat dissipation case in an oil pump controller according to an embodiment of the present utility model;

FIG. 7 is an assembly diagram of a three-phase cover plate and a heat dissipation housing in an oil pump controller according to an embodiment of the present utility model;

FIG. 8 is another assembly diagram of a three-phase cover plate and a heat dissipation housing in an oil pump controller according to an embodiment of the present utility model;

fig. 9 is an exploded view of a waterproof and breathable assembly in an oil pump controller provided by an embodiment of the present utility model;

fig. 10 is a schematic structural view of a waterproof and breathable assembly in an oil pump controller according to an embodiment of the present utility model.

Wherein:

1. a motor body; 2. a control board; 3. a heat dissipation housing; 4. a connector; 5. a waterproof breathable assembly; 6. a three-phase cover plate; 11. a fourth seal ring; 21. a third screw; 31. a through hole; 32. a fourth screw; 41. dispensing a sealing layer; 42. a first seal ring; 43. a second screw; 51. an upper cover; 52. an EPTFE membrane; 53. a housing; 54. a second seal ring; 55. a buckle; 61. a first screw; 62. and a third sealing ring.

Detailed Description

In order to further describe the technical means and effects adopted for achieving the preset aim of the utility model, the following detailed description refers to the specific implementation, structure, characteristics and effects according to the application of the utility model with reference to the accompanying drawings and preferred embodiments. In the following description, different "an embodiment" or "an embodiment" do not necessarily refer to the same embodiment. Furthermore, the particular features, structures, or characteristics of one or more embodiments may be combined in any suitable manner.

In the description of the present utility model, it should be clear that the terms "first," "second," and the like in the description and claims of the present utility model and in the above-described figures are used for distinguishing between similar objects and not necessarily for describing a particular sequential or chronological order; the terms "vertical," "transverse," "longitudinal," "front," "rear," "left," "right," "upper," "lower," "horizontal," and the like are used for indicating an orientation or a positional relationship based on that shown in the drawings, and are merely for convenience of description of the present utility model, and do not mean that the apparatus or element referred to must have a specific orientation or position, and thus should not be construed as limiting the present utility model.

In the description of the present utility model, it should be noted that, unless explicitly specified and limited otherwise, the terms "mounted," "connected," and "connected" are to be construed broadly, and may be either fixedly connected, detachably connected, or integrally connected, for example; can be mechanically or electrically connected; can be directly connected or indirectly connected through an intermediate medium. The specific meaning of the above terms in the present utility model will be understood in specific cases by those of ordinary skill in the art.

The present embodiment provides an oil pump controller, as shown in fig. 1 to 10, the oil pump controller includes a motor body 1, a control board 2, a heat dissipation housing 3, and a connector 4, the connector 4 is fixed on the heat dissipation housing 3, the control board 2 is located in the heat dissipation housing 3 and is connected with an internal terminal of the connector 4, the motor body 1 is assembled with the heat dissipation housing 3, and a terminal of the motor body 1 is connected with the control board 2; the connector 4 has a spot-size sealing layer 41 around the outer terminals.

Specifically, the heat dissipation housing 3 has a structure with a plate-shaped body on a first side and a cavity on a second side, the connector 4 is disposed on the first side and the internal terminal passes through the plate-shaped body, the control board 2 is disposed in the cavity on the second side, and the control board 2 is connected with the internal terminal of the connector 4; during assembly, the connector 4 is first locked on the heat dissipation housing 3, then the control board 2 is locked in the cavity of the heat dissipation housing 3, the internal terminals of the connector 4 are welded with the control board 2, and then the periphery of the external terminals of the connector 4 is subjected to dispensing sealing, so as to form a dispensing sealing layer 41.

More specifically, dispensing is a process, also called gluing, pouring, dripping and the like, wherein electronic glue, oil or other liquid is smeared, encapsulated and dripped on a product, so that the product has the functions of pasting, encapsulating, insulating, fixing, smoothing the surface and the like; in this embodiment, the dispensing sealing layer 41 is formed by dispensing, and the periphery of the terminal of the connector 4 is subjected to dispensing sealing, so that leakage between the hardware terminal and the plastic can be avoided. In addition, the single-component silica gel is used for dispensing in the embodiment, and the single-component silica gel is stationary and solidified after dispensing, so that automation can be realized through a dispensing machine, and the production efficiency is improved.

In a specific embodiment, the connector 4 is provided with a first sealing ring 42, and the first sealing ring 42 is connected with the heat dissipation housing 3 after being installed in the connector 4.

Specifically, the first seal ring 42 is first installed in the connector 4, and then the first seal ring 42 and the connector 4 are integrally connected with the heat dissipation housing 3, and the first seal ring 42 can ensure tightness between the connector 4 and the heat dissipation housing 3 during connection.

In a specific embodiment, the oil pump controller further comprises a waterproof ventilation assembly 5, the heat dissipation shell 3 is provided with a through hole 31, and the waterproof ventilation assembly 5 is arranged in the through hole 31.

Because the control panel 2 is in under the sealed environment, the inside and outside of the product can be influenced by temperature to cause inconsistent pressure difference, and the increase or decrease of the pressure inside the product can cause damage to the controller components, the waterproof ventilation assembly 5 is added in the embodiment, and the pressure difference between the inside and the outside of the product is balanced while the sealing performance is ensured, so that the function of protecting the controller components is achieved. Thus, the controller can be reliably, effectively and simply operated with sealing performance.

In one embodiment, as shown in fig. 9 and 10, the waterproof and breathable assembly 5 includes an upper cover 51, an EPTFE membrane 52, a housing 53, and a second sealing ring 54, wherein the EPTFE membrane 52 is located between the upper cover 51 and the housing 53, a buckle 55 is disposed on a surface of the housing 53 away from the upper cover 51, and the second sealing ring 54 is sleeved on the buckle 55; the EPTFE membrane 52 is assembled integrally with the housing 53 by injection molding or ultrasonic welding; the clasp 55 is a deformable clasp that fits within the through hole 31.

Wherein, the EPTFE film is a microporous film formed by taking polytetrafluoroethylene as a raw material and expanding and stretching, and has good ventilation and waterproof functions.

During assembly, the EPTFE film 52 and the shell 53 are assembled into a whole through injection molding or ultrasonic welding, then the upper cover 51 and the shell 53 are assembled, the upper cover 51 plays a role in protecting the EPTFE film 52, and finally the shell 53 is sleeved with the O-shaped second sealing ring 54; in addition, the through hole 31 is formed in the heat dissipation shell 3, after the buckle 55 passes through the through hole 31 of the heat dissipation shell 3 through compression deformation, the buckle 55 is reset and fixed, the second sealing ring 54 of the O shape and the sealing surface are stressed and compressed, so that the shell 53 and the heat dissipation shell 3 are sealed, and the waterproof and breathable assembly 5 is installed in place. After the product is assembled, the control panel 2 is in the airtight space, when the internal temperature changes, pressure difference exists with the outside of the product inevitably, and the controller components and parts are damaged, so the waterproof ventilation assembly 5 is added in the embodiment, the shell 53 and the heat dissipation shell 3 are sealed through the O-shaped ring, the EPTFE film 52 is arranged in the valve, the film is breathable and waterproof, the product tightness is ensured, the pressure difference between the inside and the outside of the product is balanced, and the controller components and parts are protected.

The waterproof and breathable assembly 5 provided by the embodiment only needs to be pressed into the heat dissipation shell 3, and does not need other auxiliary materials or materials for sealing.

In a specific embodiment, the oil pump controller further comprises a three-phase cover plate 6, and the three-phase cover plate 6 is fixed on the heat dissipation shell 3 through a first screw 61; a third sealing ring 62 is arranged between the three-phase cover plate 6 and the heat dissipation shell 3; during assembly, the third sealing ring 62 is firstly installed in the heat dissipation shell 3, and then the three-phase cover plate 6 is locked on the heat dissipation shell 3 through the first screw 61; the arrangement of the third sealing ring 62 can ensure tightness between the three-phase cover plate 6 and the heat dissipation shell 3 when being connected, and meanwhile, the arrangement of the first screw 61 enables the whole assembly process to be simple and rapid.

In a specific embodiment, the motor body 1 is provided with a fourth sealing ring 11, and the motor body 1 is assembled with the heat dissipation shell 3 through the fourth sealing ring 11; in assembly, the fourth seal ring 11 is first fitted into the motor body 1, and then the heat dissipation case 3 is assembled with the motor body 1.

In a specific embodiment, the connector 4 is fixed to the heat dissipation housing 3 by a second screw 43; and/or the control board 2 is fixed in the heat dissipation case 3 by a third screw 21; and/or the motor body 1 and the heat dissipation case 3 are assembled by a fourth screw 32.

In the embodiment, the sealing mode of all sealing rings is achieved by using screws for locking, and automation can be achieved through a screw locking machine, so that the production efficiency is improved.

The overall assembly process of the oil pump controller provided in this embodiment is as follows:

firstly, the first sealing ring 42 is installed in the connector 4, and then the first sealing ring 42 and the connector 4 are integrally connected with the heat dissipation shell 3 through the second screw 43, as shown in fig. 2, so that the tightness between the connector 4 and the heat dissipation shell 3 is ensured; then the control board 2 is locked in the heat dissipation shell 3 through the third screw 21, as shown in fig. 3, after the internal terminal of the connector 4 is welded with the control board 2, the periphery of the external terminal of the connector 4 is subjected to dispensing sealing, so as to form a dispensing sealing layer 41, leakage between the hardware terminal and the plastic is avoided, and the semi-finished product after the operation and assembly becomes a controller assembly; then the controller assembly and the fourth sealing ring 11 are locked on the motor body 1 through the fourth screw 32, as shown in fig. 6, so that the tightness between the heat dissipation shell 3 and the motor body 1 is ensured; after the terminal of the motor body 1 is welded with the control board 2, the three-phase cover plate 6 and the third sealing ring 62 are locked on the heat dissipation shell 3 through the first screw 61, as shown in fig. 7 and 8, so that the tightness between the three-phase cover plate 6 and the heat dissipation shell 3 is ensured; finally, pressing the waterproof and breathable assembly 5 into the heat dissipation shell 3; and (5) finishing the assembly.

The oil pump controller provided by the embodiment has the following beneficial effects:

first, the oil pump controller provided in this embodiment has the effect of reliable sealing: the heat dissipation shell 3, the connector 4, the motor body 1 and the three-phase cover plate 6 are sealed by sealing rings, so that the overall tightness is ensured; the connector 4 is a plastic-coated part, and the periphery of the terminal is subjected to dispensing sealing, so that leakage between the hardware terminal and the plastic is avoided; after the assembly is completed, the control panel 2 is in a closed space, when the internal temperature changes, pressure difference exists between the control panel and the outside of the product, so that the controller components are damaged, the waterproof and breathable assembly 5 is added to the product, the outer shell 53 of the waterproof and breathable assembly is sealed with the heat dissipation shell 3 through an O-shaped ring, the EPTFE film 52 is arranged in the valve, the EPTFE film is breathable and waterproof, the tightness of the product is ensured, the pressure difference between the inside and the outside of the product is balanced, and the controller components are protected.

Secondly, the oil pump controller provided in this embodiment has the effect of easy operation: the sealing mode of each sealing ring is achieved by using corresponding screw locking, automation can be realized through a screw locking machine, and the production efficiency is improved; the adhesive dispensing sealing mode of the connector 4: the single-component silica gel is used, and stationary curing is carried out after dispensing, so that automation can be realized through a dispensing machine, and the production efficiency is improved; only the waterproof and breathable assembly 5 is required to be pressed into the heat dissipation shell 3, and other auxiliary materials or materials are not required.

In summary, it is easily understood by those skilled in the art that the above-mentioned advantageous features can be freely combined and overlapped without conflict.

The above is only a preferred embodiment of the present utility model, and the present utility model is not limited in any way, and any simple modification, equivalent variation and modification made to the above embodiment according to the technical substance of the present utility model still falls within the scope of the technical solution of the present utility model.

Claims

1. The oil pump controller is characterized by comprising a motor body, a control board, a heat dissipation shell and a connector, wherein the connector is fixed on the heat dissipation shell; and a dispensing sealing layer is arranged around the external terminal of the connector.

2. The oil pump controller according to claim 1, wherein a first seal ring is provided in the connector, and the first seal ring is connected to the heat dissipation case after being fitted into the connector.

3. The oil pump controller of claim 1, further comprising a waterproof and breathable assembly having a through hole in the heat dissipating housing, the waterproof and breathable assembly being disposed within the through hole.

4. The oil pump controller of claim 3, wherein the waterproof and breathable assembly comprises an upper cover, an EPTFE membrane, a housing and a second sealing ring, wherein the EPTFE membrane is positioned between the upper cover and the housing, a buckle is arranged on one surface of the housing away from the upper cover, and the second sealing ring is sleeved on the buckle.

5. The oil pump controller according to claim 4, wherein the EPTFE membrane is assembled with the housing by injection molding or ultrasonic welding.

6. The oil pump controller of claim 4, wherein the clasp is a deformable clasp that fits within the through hole.

7. The oil pump controller of any one of claims 1-6, further comprising a three-phase cover plate secured to the heat dissipating housing by a first screw.

8. The oil pump controller of claim 7, wherein a third seal ring is provided between the three-phase cover plate and the heat dissipation housing.

9. The oil pump controller according to any one of claims 1 to 6, characterized in that the motor body has a fourth seal ring inside, and the motor body is assembled with the heat dissipation housing through the fourth seal ring.

10. The oil pump controller according to any one of claims 1 to 6, characterized in that the connector is fixed to the radiator case by a second screw;